ResearchIRR · RIPE

AS-VUTBR Brno University of Technology

An as-set registered in RIPE, maintained by VUTBR-MNT. It names 13 ASes and 2 sets directly; followed all the way down, it reaches 38 ASes through 4 nested sets.

Members

What AS-VUTBR lists

13 ASes and 2 sets, written in the object across every registry that holds it. Sets open their own page.

AS-FASTER-CZ AS207167:AS-MAPNET-MASTER-BRNO AS34222 ZONER-AS AS197451 VUTBR-AS AS201263 AS-BRIX-CDN AS201931 LBNET AS202872 KMENET AS203299 IHNET AS203385 asczpernix AS204860 NETX AS207239 GiG-net AS207575 brabeczc-as AS207576 kovoplazma-as KOVO AS210604 asczpernix-neza AS212138 AS_TSB

Expanded

Every AS it reaches

What a filter built from AS-VUTBR would let in: 38 ASes.

Show the 38 ASes

Prefixes

What AS-VUTBR covers

Every route object in the IRR whose origin is one of the 38 ASes it reaches: the prefixes a filter built from AS-VUTBR (with bgpq4, say) would allow. 140 IPv4 and 78 IPv6. Every one is in the IRR API.

140 IPv4 prefixes

130.193.17.0/24 147.229.0.0/16 147.229.0.0/17 147.229.128.0/18 147.229.192.0/19 147.229.224.0/19 147.229.240.0/21 147.229.240.0/23 147.229.242.0/23 147.229.255.0/24 176.74.128.0/19 185.135.20.0/24 185.135.23.0/24 185.136.108.0/22 185.136.108.0/23 185.136.108.0/24 185.136.109.0/24 185.136.110.0/24 185.136.111.0/24 185.137.124.0/22 185.146.4.0/22 185.149.128.0/23 185.149.130.0/23 185.149.204.0/22 185.149.204.0/24 185.149.205.0/24 185.149.207.0/24 185.161.172.0/22 185.161.172.0/23 185.161.172.0/24 185.161.173.0/24 185.161.174.0/23 185.161.174.0/24 185.161.175.0/24 185.179.32.0/22 185.179.32.0/24 185.179.33.0/24 185.179.34.0/24 185.179.35.0/24 185.217.232.0/23 185.217.234.0/24 185.234.132.0/22 185.252.196.0/22 185.45.124.0/22 185.45.124.0/23 185.45.126.0/23 185.50.228.0/22 185.52.216.0/22 185.52.216.0/24 185.52.217.0/24 185.52.218.0/24 185.52.219.0/24 185.59.144.0/22 185.62.108.0/23 185.74.204.0/22 185.74.204.0/24 185.74.205.0/24 185.74.206.0/24 185.74.207.0/24 185.94.52.0/22 192.145.104.0/22 192.145.104.0/23 192.145.106.0/23 192.145.106.0/24 193.176.32.0/24 193.200.244.0/24 193.200.246.0/24 193.200.251.0/24 193.200.252.0/24 193.33.22.0/23 193.33.22.0/24 193.33.23.0/24 193.39.188.0/22 194.164.239.0/24 194.180.110.0/24 194.180.115.0/24 194.180.150.0/24 194.180.154.0/24 194.190.220.0/23 195.200.23.0/24 195.64.140.0/23 195.64.140.0/24 195.64.141.0/24 212.192.50.0/23 217.198.112.0/20 37.46.208.0/21 45.136.132.0/22 45.136.132.0/23 45.136.132.0/24 45.136.133.0/24 45.136.134.0/23 45.136.134.0/24 45.136.135.0/24 45.156.44.0/22 45.158.88.0/22 45.83.132.0/22 5.180.196.0/22 5.180.196.0/23 5.180.198.0/24 5.180.199.0/24 77.240.176.0/20 77.240.176.0/21 77.240.176.0/24 77.240.181.0/24 77.240.190.0/24 81.161.64.0/20 81.19.0.0/20 81.19.12.0/23 81.19.14.0/24 81.19.5.0/24 81.19.6.0/24 85.132.144.0/20 85.132.145.0/24 85.132.146.0/24 85.132.147.0/24 85.132.148.0/24 85.132.149.0/24 85.132.150.0/24 85.132.151.0/24 85.132.152.0/24 85.132.153.0/24 85.209.28.0/22 85.209.31.0/24 85.217.167.0/24 91.196.40.0/22 91.198.87.0/24 91.201.32.0/22 91.201.32.0/24 91.201.33.0/24 91.201.34.0/24 91.201.35.0/24 91.216.168.0/24 91.217.96.0/23 91.224.48.0/23 91.229.24.0/24 91.230.144.0/24 91.245.24.0/21 92.42.98.0/24 95.129.100.0/24 95.129.96.0/21

78 IPv6 prefixes

2001:67c:103c::/48 2001:67c:1220::/46 2001:67c:1223::/48 2001:67c:1b64::/48 2001:67c:2d2c::/48 2001:67c:2d30::/48 2001:67c:2d34::/48 2001:67c:2d38::/48 2001:67c:634::/48 2001:67c:b5c::/48 2001:67c:d74::/48 2a00:19a0::/32 2a00:9c80::/32 2a01:430:11::/48 2a01:ade0::/32 2a02:6c20:3::/48 2a02:6c20:5::/48 2a02:6c20:7::/48 2a02:6c20:807::/48 2a02:6c20:810::/48 2a02:6c20:819::/48 2a02:6c20::/32 2a02:e98::/32 2a02:e98:c000::/34 2a02:e9c::/32 2a03:2e0::/32 2a03:2e4::/30 2a03:4760::/29 2a04:4ac0::/29 2a04:bf80:100::/40 2a04:bf80:200::/40 2a04:bf80::/29 2a06:f080::/32 2a06:fb40:8001::/48 2a06:fb40::/29 2a06:fb40::/31 2a06:fb40::/32 2a06:fb40::/33 2a06:fb41::/32 2a06:fb42::/31 2a06:fb42::/32 2a06:fb43::/32 2a07:3c0::/29 2a07:6880::/32 2a07:6881::/32 2a07:6882::/32 2a07:6886::/32 2a07:6bc0::/29 2a07:ef40::/29 2a09:380::/29 2a0a:7780::/29 2a0a:f0c0::/29 2a0b:2d40::/32 2a0b:2d40::/48 2a0b:2d40:bac3::/48 2a0b:2d40:c10a::/48 2a0b:2d40:eeee::/48 2a0c:1580::/29 2a0c:3240::/29 2a0c:6840::/29 2a0e:bc40::/29 2a0f:2a80::/29 2a0f:5880::/29 2a10:d4c0::/29 2a11:dd40::/32 2a13:2140:25::/48 2a13:2140:389::/48 2a13:2140:5222::/48 2a13:2140:53::/48 2a13:2140:80::/48 2a13:2140::/32 2a13:2141:1::/48 2a13:2141:2::/48 2a13:2142:1::/48 2a13:2142:2::/48 2a13:2143:1::/48 2a13:2144::/32 2a14:2040::/29

Registries

Each registry’s copy

RIPE15 membersBrno University of Technology

Maintained by	VUTBR-MNT
Last modified	2026-01-05T10:05:38Z
Members	AS197451 AS34222 AS201263 AS-FASTER-CZ AS203385 AS202872 AS207239 AS204860 AS207167:AS-MAPNET-MASTER-BRNO AS207576 AS207575 AS210604 AS201931 AS212138 AS203299
mbrs-by-ref	N

Used by

Sets that include AS-VUTBR

AS-BR-IX-RS AS-HA-VEL-TRANSITCUST AS-VODAFONE-CZ-B2B

Tools

Check AS-VUTBR live

IRR API, with prefixes